Maxim Integrated
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MAX809REXR+T10
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MAX809REXR+T10

Product Overview

  • Category: Integrated Circuits (ICs)
  • Use: Voltage Supervisors
  • Characteristics:
    • Low Power Consumption
    • Precision Voltage Monitoring
    • Reset Output
    • Manual Reset Input
    • Active-Low Push-Pull Reset Output
  • Package: SOT-23-3
  • Essence: Voltage Supervisor with Manual Reset Input
  • Packaging/Quantity: Tape & Reel (3000 pieces per reel)

Specifications

  • Supply Voltage Range: 1.0V to 5.5V
  • Reset Threshold Voltage Options:
    • 2.93V (MAX809REUR+T10)
    • 3.08V (MAX809REUS+T10)
    • 3.63V (MAX809REUT+T10)
    • 4.38V (MAX809REUV+T10)
  • Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MAX809REXR+T10 has a standard SOT-23-3 package with the following pin configuration:

```

| | --+----+-- 1| |2 |____| 3 ```

Pin Description: 1. GND: Ground 2. RESET: Active-Low Push-Pull Reset Output 3. MR: Manual Reset Input

Functional Features

  • Monitors the voltage level and provides a reset signal when the voltage drops below the specified threshold.
  • Allows manual reset by asserting a low signal on the MR pin.
  • Provides an active-low push-pull reset output.

Advantages and Disadvantages

Advantages: - Low power consumption - Precision voltage monitoring - Manual reset capability - Small package size

Disadvantages: - Limited supply voltage range (1.0V to 5.5V) - Limited reset threshold voltage options

Working Principles

The MAX809REXR+T10 is a voltage supervisor IC that continuously monitors the supply voltage. When the voltage drops below the specified threshold, it asserts a reset signal on the RESET pin. The manual reset input (MR) allows the user to manually assert a reset signal by applying a low signal on the MR pin.

Detailed Application Field Plans

The MAX809REXR+T10 can be used in various applications where voltage monitoring and reset functionality are required. Some potential application fields include:

  1. Microcontrollers: Ensuring proper system initialization and preventing erratic behavior during power-up or brownout conditions.
  2. Power Management Systems: Protecting sensitive components from undervoltage events and facilitating controlled system shutdowns.
  3. Battery-Powered Devices: Monitoring battery voltage levels and triggering actions when the battery voltage reaches critical levels.
  4. Industrial Control Systems: Providing reliable reset signals to ensure proper operation of control circuits and prevent system malfunctions.

Detailed and Complete Alternative Models

  1. MAX809REUR+T10: Reset Threshold Voltage - 2.93V
  2. MAX809REUS+T10: Reset Threshold Voltage - 3.08V
  3. MAX809REUT+T10: Reset Threshold Voltage - 3.63V
  4. MAX809REUV+T10: Reset Threshold Voltage - 4.38V

These alternative models offer different reset threshold voltage options to suit specific application requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX809REXR+T10 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX809REXR+T10 in technical solutions:

  1. Q: What is the MAX809REXR+T10? A: The MAX809REXR+T10 is a voltage monitor and reset IC that ensures proper power supply sequencing and system reset in electronic devices.

  2. Q: What is the operating voltage range of MAX809REXR+T10? A: The operating voltage range of MAX809REXR+T10 is typically between 1.6V and 5.5V.

  3. Q: How does MAX809REXR+T10 help in power supply sequencing? A: MAX809REXR+T10 provides a reset signal to the microcontroller or other digital logic when the supply voltage falls below a specified threshold, ensuring proper power-up sequencing.

  4. Q: Can I use MAX809REXR+T10 with different microcontrollers? A: Yes, MAX809REXR+T10 can be used with various microcontrollers and digital logic devices as long as the operating voltage requirements are met.

  5. Q: What is the typical reset timeout period of MAX809REXR+T10? A: The typical reset timeout period of MAX809REXR+T10 is 140ms, ensuring sufficient time for the system to stabilize during power-up.

  6. Q: Does MAX809REXR+T10 have an adjustable reset threshold? A: No, MAX809REXR+T10 has a fixed reset threshold voltage of 2.93V.

  7. Q: Can MAX809REXR+T10 be used in battery-powered applications? A: Yes, MAX809REXR+T10 is suitable for battery-powered applications due to its low quiescent current and wide operating voltage range.

  8. Q: What is the maximum supply current of MAX809REXR+T10? A: The maximum supply current of MAX809REXR+T10 is typically 7µA, making it suitable for low-power applications.

  9. Q: Does MAX809REXR+T10 have a manual reset input? A: No, MAX809REXR+T10 does not have a manual reset input. It generates a reset signal automatically based on the supply voltage.

  10. Q: Is MAX809REXR+T10 available in different package options? A: Yes, MAX809REXR+T10 is available in various package options, including SOT23-3 and SC70-3, providing flexibility for different PCB layouts and space constraints.

Please note that these answers are general and may vary depending on the specific datasheet and application requirements of MAX809REXR+T10.